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Sigma DC 10-20 mm f/ 3.5 EX HSM Lens

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Sigma DC 10-20 mm f/ 3.5 EX HSM lens

Sigma DC 10-20 mm f/ 3.5 EX HSM lens

Sigma DC 10-20 mm f/ 3.5 EX HSM lens

Sigma DC 10-20 mm f/ 3.5 EX HSM lens

Sigma DC 10-20 mm f/ 3.5 EX HSM lens

MTF-charts

Sigma DC 10-20 mm f/ 3.5 EX HSM MTF Chart

Sigma DC 10-20 mm f/ 3.5 EX HSM MTF Chart

Sigma DC 10-20 mm f/ 3.5 EX HSM MTF Chart

Optical design

Sigma DC 10-20 mm f/ 3.5 EX HSM optical design

Format: APS-C (crop)

Type: Zoom lens

Focusing: Auto Focus (AF)

Lens mounts: Canon EF, EF-S, Sony A / Minolta A, Nikon F (FX, DX), Pentax K, Sigma SA

First year of production: 2009

Optical design: 13 elements in 10 groups (4 AS, 2 SLD, 1 ELD)

Features: Ultra-Sonic Motor
User reviews (1)

Photos (6)

Tests (0)

Owners (5)

Views (7959)

Average price: $688

Specifications:

Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr/oz)Length (mm/in)
10mm - 20mmf/3.5f/2270.2482520/18,388/3,5

Additional information:

The Sigma 10-20 mm f/ 3.5 EX DC HSM

  • Diagonal angle of view 102.4º- 63.8º (1.7x Sigma SD)
  • Diagonal angle of view 106.6°- 67.7° (1.6х Canon EFs)
  • Diagonal angle of view 109.7°- 70.7° (1.5x Nikon DX)
  • Diameter 87.3 mm
  • Max. magnification 1:6.6
  • Angle of focusing ring rotation 130-140°
  • A hood (petal, bayonet, LH873-01) and carrying case are included with the lens.

The Sigma 10-20mm F3.5 EX DC HSMis a superwide-angle 2x zoom with a constant maximum aperture throughout the entire zoom range designed for  DSLR APS-C cameras and providing its owners with a very popular range of focal lengths of 15-30 mm.

The optical scheme of the Sigma 10-20 mm f/ 3.5 EX DC HSM includes four aspherical elements (two hybrid and two molded ) for correction of distortion and astigmatism, two SLD elements and one ELD element for correction of chromatic aberration. The super multi-coating of optic elements reduces flare and halation, and increases contrast.

The Hyper-Sonic Motor of the AF drive provides noiseless and high-speed focusing and the possibility of constant manual focusing without switching to the manual mode. The autofocus does not function on the Pentax * IST  and K100D cameras, which do not support the HSM.

The system of internal focusing eliminates the front lens rotation and provides convenient use of a petal hood and polarized filters, as well as focusing at minimum distance 24 cm throughout the entire zoom range.

The size of the Sigma 10-20 mm f/ 3 EX DC OS HSM changes while zooming in. It has smallest size at the focal distance of 15 mm, it is a bit longer at the focal distance of 20 mm, at the focal distance of 10 mm the lens reaches its maximum, becoming just 5 mm longer.

The  Sigma 10-20 mm f/ 3.5 EX DC HSM cons:

  • very good mechanical build,
  • superb image quality at the center at all focal lengths,
  • very good image quality on the edges,
  • well controlled astigmatism,
  • slight distortion at long focal lengths,
  • resistant to back light,
  • fast, quiet and precise autofocus,
  • 3-5 years of warranty.

The Sigma 10-20 mm f/ 3.5 EX DC HSM cons:

  • very large filter diameter,
  • considerable chromatic aberration in the middle of focal lengths,
  • fairly high distortion at a close focal length,
  • corners at a close focal length,
  • considerable level of vignetting,
  • visible coma.

Links to online resources:
PDF Files:
Posted by: dv   Date of publication: 28.10.2010



Photos taken with this lens Sigma DC 10-20 mm f/ 3.5 EX HSM:


Myanmar, 2010
Autor: Dnovikov
5 0 4272

Myanmar, 2010
Autor: Dnovikov
5 0 1558

Myanmar, 2010
Autor: Dnovikov
5 0 1761

Myanmar, 2010
Autor: Dnovikov
5 0 1704

Mechanical quality4.605
Optical quality5.005
Usability5.005
Pricing / Value4.605
Bokeh5.005
Overall lens rating
4.84

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Owner reviews: Sigma DC 10-20 mm f/ 3.5 EX HSM

Ferenc Boloni 03.01.2019 06:18:52
Period of use: 1 day

Strengths:

I have this lens really cheap the true is not the greatest lens on today's market but is great build fast autofocus and enough sharp at f/3.5 and all this on APS-C ..


Weaknesses:

It has a lot of weakness but where I use this lens in low lights conditions I don't care about :)


Comments:

In low lights conditions is not so bad at all this lens .